Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Karl William Swonger, Jr.0
Date of Patent
October 27, 2009
0Patent Application Number
117963010
Date Filed
April 27, 2007
0Patent Primary Examiner
Patent abstract
The spacing of road markings is determined as a function of physical and/or environmental road conditions to provide a simple means for vehicle operators to maintain a safe following distance between motor vehicles.
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